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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-07-25 22:20:29 +0100
committerLiam Girdwood <lrg@slimlogic.co.uk>2011-07-28 10:20:48 +0100
commit137a6354305455d585fe99fe5e9949acd895b045 (patch)
treec4040ba3e9cc2da3c52d4fe703a819a2022c4b92 /drivers/regulator
parent54abd335fda86d305845f9e62b4bc0997386eb66 (diff)
downloadop-kernel-dev-137a6354305455d585fe99fe5e9949acd895b045.zip
op-kernel-dev-137a6354305455d585fe99fe5e9949acd895b045.tar.gz
regulator: Fix WM831x regulator ID lookups for multiple WM831xs
With multiple wm831x devices the device IDs used for the regulators will not always be contiguous so simply taking the modulus is not sufficient to look up the ID, we need to reverse the way the ID is generated. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/wm831x-dcdc.c16
-rw-r--r--drivers/regulator/wm831x-ldo.c25
2 files changed, 36 insertions, 5 deletions
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index a0982e8..0c7a9d5 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -504,11 +504,17 @@ static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
- int id = pdev->id % ARRAY_SIZE(pdata->dcdc);
+ int id;
struct wm831x_dcdc *dcdc;
struct resource *res;
int ret, irq;
+ if (pdata && pdata->wm831x_num)
+ id = (pdata->wm831x_num * 10) + 1;
+ else
+ id = 0;
+ id = pdev->id - id;
+
dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
if (pdata == NULL || pdata->dcdc[id] == NULL)
@@ -709,11 +715,17 @@ static __devinit int wm831x_buckp_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
- int id = pdev->id % ARRAY_SIZE(pdata->dcdc);
+ int id;
struct wm831x_dcdc *dcdc;
struct resource *res;
int ret, irq;
+ if (pdata && pdata->wm831x_num)
+ id = (pdata->wm831x_num * 10) + 1;
+ else
+ id = 0;
+ id = pdev->id - id;
+
dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
if (pdata == NULL || pdata->dcdc[id] == NULL)
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index 2220cf8d..6709710 100644
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -310,11 +310,17 @@ static __devinit int wm831x_gp_ldo_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
- int id = pdev->id % ARRAY_SIZE(pdata->ldo);
+ int id;
struct wm831x_ldo *ldo;
struct resource *res;
int ret, irq;
+ if (pdata && pdata->wm831x_num)
+ id = (pdata->wm831x_num * 10) + 1;
+ else
+ id = 0;
+ id = pdev->id - id;
+
dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
if (pdata == NULL || pdata->ldo[id] == NULL)
@@ -574,11 +580,17 @@ static __devinit int wm831x_aldo_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
- int id = pdev->id % ARRAY_SIZE(pdata->ldo);
+ int id;
struct wm831x_ldo *ldo;
struct resource *res;
int ret, irq;
+ if (pdata && pdata->wm831x_num)
+ id = (pdata->wm831x_num * 10) + 1;
+ else
+ id = 0;
+ id = pdev->id - id;
+
dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
if (pdata == NULL || pdata->ldo[id] == NULL)
@@ -764,11 +776,18 @@ static __devinit int wm831x_alive_ldo_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
- int id = pdev->id % ARRAY_SIZE(pdata->ldo);
+ int id;
struct wm831x_ldo *ldo;
struct resource *res;
int ret;
+ if (pdata && pdata->wm831x_num)
+ id = (pdata->wm831x_num * 10) + 1;
+ else
+ id = 0;
+ id = pdev->id - id;
+
+
dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
if (pdata == NULL || pdata->ldo[id] == NULL)
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